FRESNEL LENS FOR LIGHT CONVERGENCE,申请号JP19910083750-传众专利搜索

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发明名称	FRESNEL LENS FOR LIGHT CONVERGENCE
摘要
申请公布号	JPH04316010(A)	申请公布日期	1992.11.06
申请号	JP19910083750	申请日期	1991.04.16
申请人	SEIKO EPSON CORP	发明人	MURAYAMA MASATO
分类号	G02B3/08;G02B3/10;G02B27/18	主分类号	G02B3/08
代理机构		代理人
主权项
地址

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